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jellyfish's Introduction

Jellyfish is a Linux based userland gpu rootkit proof of concept project utilizing the LD_PRELOAD technique from Jynx to hook system calls and OpenCL to interact with gpu. Code currently supports Nvidia and AMD graphics cards.

Advantages of gpu stored memory: No gpu malware analysis tools available on web. Can snoop on cpu host memory via DMA. gpu can be used for fast/swift mathematical calculations like xor'ing or parsing.

Requirements for use: Have OpenCL drivers/icds installed. Nvidia or AMD. Change line 103 in rootkit/kit.c to server ip you want to monitor gpu client from.

Disclaimer: Educational purposes only; authors of this project/demonstration are in no way, shape or form responsible for what you may use this for whether illegal or not.

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